atc.h 16 KB

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  1. /*
  2. * (C) Copyright 2001
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. /*
  24. * board/config.h - configuration options, board specific
  25. */
  26. #ifndef __CONFIG_H
  27. #define __CONFIG_H
  28. /*
  29. * High Level Configuration Options
  30. * (easy to change)
  31. */
  32. #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
  33. #define CONFIG_ATC 1 /* ...on a ATC board */
  34. #define CONFIG_CPM2 1 /* Has a CPM2 */
  35. /*
  36. * select serial console configuration
  37. *
  38. * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
  39. * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
  40. * for SCC).
  41. *
  42. * if CONFIG_CONS_NONE is defined, then the serial console routines must
  43. * defined elsewhere (for example, on the cogent platform, there are serial
  44. * ports on the motherboard which are used for the serial console - see
  45. * cogent/cma101/serial.[ch]).
  46. */
  47. #define CONFIG_CONS_ON_SMC /* define if console on SMC */
  48. #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
  49. #undef CONFIG_CONS_NONE /* define if console on something else*/
  50. #define CONFIG_CONS_INDEX 2 /* which serial channel for console */
  51. #define CONFIG_BAUDRATE 115200
  52. /*
  53. * select ethernet configuration
  54. *
  55. * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
  56. * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
  57. * for FCC)
  58. *
  59. * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
  60. * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
  61. * from CONFIG_COMMANDS to remove support for networking.
  62. *
  63. */
  64. #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
  65. #undef CONFIG_ETHER_NONE /* define if ether on something else */
  66. #define CONFIG_ETHER_ON_FCC
  67. #define CONFIG_NET_MULTI
  68. #define CONFIG_ETHER_ON_FCC2
  69. /*
  70. * - Rx-CLK is CLK13
  71. * - Tx-CLK is CLK14
  72. * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
  73. * - Enable Full Duplex in FSMR
  74. */
  75. # define CFG_CMXFCR_MASK2 (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
  76. # define CFG_CMXFCR_VALUE2 (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
  77. # define CFG_CPMFCR_RAMTYPE 0
  78. # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
  79. #define CONFIG_ETHER_ON_FCC3
  80. /*
  81. * - Rx-CLK is CLK15
  82. * - Tx-CLK is CLK16
  83. * - RAM for BD/Buffers is on the local Bus (see 28-13)
  84. * - Enable Half Duplex in FSMR
  85. */
  86. # define CFG_CMXFCR_MASK3 (CMXFCR_FC3|CMXFCR_RF3CS_MSK|CMXFCR_TF3CS_MSK)
  87. # define CFG_CMXFCR_VALUE3 (CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16)
  88. /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
  89. #define CONFIG_8260_CLKIN 64000000 /* in Hz */
  90. #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
  91. #undef CONFIG_CLOCKS_IN_MHZ /* clocks passsed to Linux in Hz */
  92. #define CONFIG_PREBOOT \
  93. "echo;" \
  94. "echo Type \"run flash_nfs\" to mount root filesystem over NFS;"\
  95. "echo"
  96. #undef CONFIG_BOOTARGS
  97. #define CONFIG_BOOTCOMMAND \
  98. "bootp;" \
  99. "setenv bootargs root=/dev/nfs rw " \
  100. "nfsroot=${serverip}:${rootpath} " \
  101. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;"\
  102. "bootm"
  103. /*-----------------------------------------------------------------------
  104. * Miscellaneous configuration options
  105. */
  106. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  107. #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  108. #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
  109. /*
  110. * Command line configuration.
  111. */
  112. #include <config_cmd_default.h>
  113. #define CONFIG_CMD_EEPROM
  114. #define CONFIG_CMD_PCI
  115. #define CONFIG_CMD_PCMCIA
  116. #define CONFIG_CMD_DATE
  117. #define CONFIG_CMD_IDE
  118. #define CONFIG_DOS_PARTITION
  119. /*
  120. * Miscellaneous configurable options
  121. */
  122. #define CFG_LONGHELP /* undef to save memory */
  123. #define CFG_PROMPT "=> " /* Monitor Command Prompt */
  124. #if defined(CONFIG_CMD_KGDB)
  125. #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
  126. #else
  127. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  128. #endif
  129. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  130. #define CFG_MAXARGS 16 /* max number of command args */
  131. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  132. #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
  133. #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
  134. #define CFG_LOAD_ADDR 0x100000 /* default load address */
  135. #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
  136. #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
  137. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  138. #define CFG_RESET_ADDRESS 0xFFF00100 /* "bad" address */
  139. #define CFG_ALLOC_DPRAM
  140. #undef CONFIG_WATCHDOG /* watchdog disabled */
  141. #define CONFIG_SPI
  142. #define CONFIG_RTC_DS12887
  143. #define RTC_BASE_ADDR 0xF5000000
  144. #define RTC_PORT_ADDR RTC_BASE_ADDR + 0x800
  145. #define RTC_PORT_DATA RTC_BASE_ADDR + 0x808
  146. #define CONFIG_MISC_INIT_R
  147. /*
  148. * For booting Linux, the board info and command line data
  149. * have to be in the first 8 MB of memory, since this is
  150. * the maximum mapped by the Linux kernel during initialization.
  151. */
  152. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  153. /*-----------------------------------------------------------------------
  154. * Flash configuration
  155. */
  156. #define CFG_FLASH_BASE 0xFF000000
  157. #define CFG_FLASH_SIZE 0x00800000
  158. /*-----------------------------------------------------------------------
  159. * FLASH organization
  160. */
  161. #define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
  162. #define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
  163. #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
  164. #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
  165. #define CONFIG_FLASH_16BIT
  166. /*-----------------------------------------------------------------------
  167. * Hard Reset Configuration Words
  168. *
  169. * if you change bits in the HRCW, you must also change the CFG_*
  170. * defines for the various registers affected by the HRCW e.g. changing
  171. * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
  172. */
  173. #define CFG_HRCW_MASTER (HRCW_CIP | HRCW_ISB100 | HRCW_BMS | \
  174. HRCW_BPS10 |\
  175. HRCW_APPC10)
  176. /* no slaves so just fill with zeros */
  177. #define CFG_HRCW_SLAVE1 0
  178. #define CFG_HRCW_SLAVE2 0
  179. #define CFG_HRCW_SLAVE3 0
  180. #define CFG_HRCW_SLAVE4 0
  181. #define CFG_HRCW_SLAVE5 0
  182. #define CFG_HRCW_SLAVE6 0
  183. #define CFG_HRCW_SLAVE7 0
  184. /*-----------------------------------------------------------------------
  185. * Internal Memory Mapped Register
  186. */
  187. #define CFG_IMMR 0xF0000000
  188. /*-----------------------------------------------------------------------
  189. * Definitions for initial stack pointer and data area (in DPRAM)
  190. */
  191. #define CFG_INIT_RAM_ADDR CFG_IMMR
  192. #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
  193. #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
  194. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  195. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  196. /*-----------------------------------------------------------------------
  197. * Start addresses for the final memory configuration
  198. * (Set up by the startup code)
  199. * Please note that CFG_SDRAM_BASE _must_ start at 0
  200. *
  201. * 60x SDRAM is mapped at CFG_SDRAM_BASE.
  202. */
  203. #define CFG_SDRAM_BASE 0x00000000
  204. #define CFG_SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
  205. #define CFG_MONITOR_BASE TEXT_BASE
  206. #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
  207. #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
  208. #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
  209. # define CFG_RAMBOOT
  210. #endif
  211. #define CONFIG_PCI
  212. #define CONFIG_PCI_PNP
  213. #define CFG_PCI_MSTR_IO_BUS 0x00000000 /* PCI base */
  214. #if 1
  215. /* environment is in Flash */
  216. #define CFG_ENV_IS_IN_FLASH 1
  217. # define CFG_ENV_ADDR (CFG_FLASH_BASE+0x30000)
  218. # define CFG_ENV_SIZE 0x10000
  219. # define CFG_ENV_SECT_SIZE 0x10000
  220. #else
  221. #define CFG_ENV_IS_IN_EEPROM 1
  222. #define CFG_ENV_OFFSET 0
  223. #define CFG_ENV_SIZE 2048
  224. #define CFG_EEPROM_PAGE_WRITE_BITS 4 /* 16-byte page size */
  225. #endif
  226. /*
  227. * Internal Definitions
  228. *
  229. * Boot Flags
  230. */
  231. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
  232. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  233. /*-----------------------------------------------------------------------
  234. * Cache Configuration
  235. */
  236. #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
  237. #if defined(CONFIG_CMD_KGDB)
  238. # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
  239. #endif
  240. /*-----------------------------------------------------------------------
  241. * HIDx - Hardware Implementation-dependent Registers 2-11
  242. *-----------------------------------------------------------------------
  243. * HID0 also contains cache control - initially enable both caches and
  244. * invalidate contents, then the final state leaves only the instruction
  245. * cache enabled. Note that Power-On and Hard reset invalidate the caches,
  246. * but Soft reset does not.
  247. *
  248. * HID1 has only read-only information - nothing to set.
  249. */
  250. #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|\
  251. HID0_DCI|HID0_IFEM|HID0_ABE)
  252. #define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
  253. #define CFG_HID2 0
  254. /*-----------------------------------------------------------------------
  255. * RMR - Reset Mode Register 5-5
  256. *-----------------------------------------------------------------------
  257. * turn on Checkstop Reset Enable
  258. */
  259. #define CFG_RMR RMR_CSRE
  260. /*-----------------------------------------------------------------------
  261. * BCR - Bus Configuration 4-25
  262. *-----------------------------------------------------------------------
  263. */
  264. #define BCR_APD01 0x10000000
  265. #define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
  266. /*-----------------------------------------------------------------------
  267. * SIUMCR - SIU Module Configuration 4-31
  268. *-----------------------------------------------------------------------
  269. */
  270. #define CFG_SIUMCR (SIUMCR_BBD|SIUMCR_APPC10|\
  271. SIUMCR_CS10PC00|SIUMCR_BCTLC10)
  272. /*-----------------------------------------------------------------------
  273. * SYPCR - System Protection Control 4-35
  274. * SYPCR can only be written once after reset!
  275. *-----------------------------------------------------------------------
  276. * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
  277. */
  278. #if defined(CONFIG_WATCHDOG)
  279. #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
  280. SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
  281. #else
  282. #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
  283. SYPCR_SWRI|SYPCR_SWP)
  284. #endif /* CONFIG_WATCHDOG */
  285. /*-----------------------------------------------------------------------
  286. * TMCNTSC - Time Counter Status and Control 4-40
  287. *-----------------------------------------------------------------------
  288. * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
  289. * and enable Time Counter
  290. */
  291. #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
  292. /*-----------------------------------------------------------------------
  293. * PISCR - Periodic Interrupt Status and Control 4-42
  294. *-----------------------------------------------------------------------
  295. * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
  296. * Periodic timer
  297. */
  298. #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
  299. /*-----------------------------------------------------------------------
  300. * SCCR - System Clock Control 9-8
  301. *-----------------------------------------------------------------------
  302. * Ensure DFBRG is Divide by 16
  303. */
  304. #define CFG_SCCR SCCR_DFBRG01
  305. /*-----------------------------------------------------------------------
  306. * RCCR - RISC Controller Configuration 13-7
  307. *-----------------------------------------------------------------------
  308. */
  309. #define CFG_RCCR 0
  310. #define CFG_MIN_AM_MASK 0xC0000000
  311. /*-----------------------------------------------------------------------
  312. * MPTPR - Memory Refresh Timer Prescaler Register 10-18
  313. *-----------------------------------------------------------------------
  314. */
  315. #define CFG_MPTPR 0x1F00
  316. /*-----------------------------------------------------------------------
  317. * PSRT - Refresh Timer Register 10-16
  318. *-----------------------------------------------------------------------
  319. */
  320. #define CFG_PSRT 0x0f
  321. /*-----------------------------------------------------------------------
  322. * PSRT - SDRAM Mode Register 10-10
  323. *-----------------------------------------------------------------------
  324. */
  325. /* SDRAM initialization values for 8-column chips
  326. */
  327. #define CFG_OR2_8COL (CFG_MIN_AM_MASK |\
  328. ORxS_BPD_4 |\
  329. ORxS_ROWST_PBI1_A7 |\
  330. ORxS_NUMR_12)
  331. #define CFG_PSDMR_8COL (PSDMR_PBI |\
  332. PSDMR_SDAM_A15_IS_A5 |\
  333. PSDMR_BSMA_A15_A17 |\
  334. PSDMR_SDA10_PBI1_A7 |\
  335. PSDMR_RFRC_7_CLK |\
  336. PSDMR_PRETOACT_3W |\
  337. PSDMR_ACTTORW_2W |\
  338. PSDMR_LDOTOPRE_1C |\
  339. PSDMR_WRC_1C |\
  340. PSDMR_CL_2)
  341. /* SDRAM initialization values for 9-column chips
  342. */
  343. #define CFG_OR2_9COL (CFG_MIN_AM_MASK |\
  344. ORxS_BPD_4 |\
  345. ORxS_ROWST_PBI1_A6 |\
  346. ORxS_NUMR_12)
  347. #define CFG_PSDMR_9COL (PSDMR_PBI |\
  348. PSDMR_SDAM_A16_IS_A5 |\
  349. PSDMR_BSMA_A15_A17 |\
  350. PSDMR_SDA10_PBI1_A6 |\
  351. PSDMR_RFRC_7_CLK |\
  352. PSDMR_PRETOACT_3W |\
  353. PSDMR_ACTTORW_2W |\
  354. PSDMR_LDOTOPRE_1C |\
  355. PSDMR_WRC_1C |\
  356. PSDMR_CL_2)
  357. /*
  358. * Init Memory Controller:
  359. *
  360. * Bank Bus Machine PortSz Device
  361. * ---- --- ------- ------ ------
  362. * 0 60x GPCM 8 bit Boot ROM
  363. * 1 60x GPCM 64 bit FLASH
  364. * 2 60x SDRAM 64 bit SDRAM
  365. *
  366. */
  367. #define CFG_MRS_OFFS 0x00000000
  368. /* Bank 0 - FLASH
  369. */
  370. #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
  371. BRx_PS_16 |\
  372. BRx_MS_GPCM_P |\
  373. BRx_V)
  374. #define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_FLASH_SIZE) |\
  375. ORxG_CSNT |\
  376. ORxG_ACS_DIV1 |\
  377. ORxG_SCY_3_CLK |\
  378. ORxU_EHTR_8IDLE)
  379. /* Bank 2 - 60x bus SDRAM
  380. */
  381. #ifndef CFG_RAMBOOT
  382. #define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
  383. BRx_PS_64 |\
  384. BRx_MS_SDRAM_P |\
  385. BRx_V)
  386. #define CFG_OR2_PRELIM CFG_OR2_8COL
  387. #define CFG_PSDMR CFG_PSDMR_8COL
  388. #endif /* CFG_RAMBOOT */
  389. #define CFG_BR4_PRELIM ((RTC_BASE_ADDR & BRx_BA_MSK) |\
  390. BRx_PS_8 |\
  391. BRx_MS_UPMA |\
  392. BRx_V)
  393. #define CFG_OR4_PRELIM (ORxU_AM_MSK | ORxU_BI)
  394. /*-----------------------------------------------------------------------
  395. * PCMCIA stuff
  396. *-----------------------------------------------------------------------
  397. *
  398. */
  399. #define CONFIG_I82365
  400. #define CFG_PCMCIA_MEM_ADDR 0x81000000
  401. #define CFG_PCMCIA_MEM_SIZE 0x1000
  402. /*-----------------------------------------------------------------------
  403. * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
  404. *-----------------------------------------------------------------------
  405. */
  406. #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
  407. #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
  408. #undef CONFIG_IDE_LED /* LED for ide not supported */
  409. #undef CONFIG_IDE_RESET /* reset for ide not supported */
  410. #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
  411. #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
  412. #define CFG_ATA_IDE0_OFFSET 0x0000
  413. #define CFG_ATA_BASE_ADDR 0xa0000000
  414. /* Offset for data I/O */
  415. #define CFG_ATA_DATA_OFFSET 0x100
  416. /* Offset for normal register accesses */
  417. #define CFG_ATA_REG_OFFSET 0x100
  418. /* Offset for alternate registers */
  419. #define CFG_ATA_ALT_OFFSET 0x108
  420. #endif /* __CONFIG_H */